Larger letter designThe letters on the piano stickers are 20% larger than normal letters. Children can see them more clearly. Thinner materialPiano stickers are 50% thinner than normal stickers. When you play the piano, you barely feel their presence. And the sticker has a smooth surface, so there is no resistance when practicing techniques such as portamento, arpeggio, etc. Printing technologyThe sticker for piano is printed under the top layer to prevent the ink from fading, so it is always clear and easy to read. When they get dirty, you can wipe them with our cleaning cloth. Installation and uninstallationApplicable to 88/61/54/49/37 keys. These instructions can help you install them in minutes. and stick them to the keyboard with a stick. If you stick them in the wrong place, you can peel them off and stick them again. When you don't need it in the future, it can be removed without leaving any residue. Suitable for the crowdOur piano stickers are a good teaching tool for piano teachers. Also a grateful tool for children and beginners etc.